Chemical Industry Questions Bank Online Exam Quiz
Chemical Industry Questions Bank GK Quiz. Question and Answers related to Chemical Industry Questions Bank. MCQ (Multiple Choice Questions with answers about Chemical Industry Questions Bank
How is the heat of reaction removed during the manufacture of phthalic anhydride?
Options
A : Aqueous salt
B : Molten salt
C : NaOH
D : KCl
How is phthalic anhydride manufactured?
Options
A : Dehydrogenation of ethyl benzene
B : Hydrogenation dehydration of acetophenone
C : Benzene sulphurated process
D : Oxidation of naphthalene
Increasing the contact time in oxidation of naphthalene yields better quality of phthalic anhydride.
Options
A : True
B : False
C :
D :
Can manufacture of phthalic anhydride from oxidation of naphthalene be improved?
Options
A : Yes
B : No
C :
D :
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